8-2
3. Checking Component Video Output B-Y
(MB-85 BOARD)
<Purpose>
This checks component video output B-Y. If it is incorrect, cor-rect
colors will not be displayed when connected to, for instance,
projector.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
COMPONENT VIDEO OUT (B-Y)
connector (75
Ω
terminated)
Instrument
Oscilloscope
Specification
700 ± 50 mVp-p
Checking method:
1) Confirm that the B-Y level is 700 ± 50 mVp-p.
Fig. 8-3
4. Checking Component Video Output R-Y
(MB-85 BOARD)
<Purpose>
This checks component video output R-Y. If it is incorrect, cor-rect
colors will not be displayed when connected to, for instance,
projector.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
COMPONENT VIDEO OUT (R-Y)
connector (75
Ω
terminated)
Instrument
Oscilloscope
Specification
700 ± 50 mVp-p
Checking method:
1) Confirm that the R-Y level is 700 ± 50 mVp-p.
Fig. 8-4
8-2. ADJUSTMENT OF VIDEO SYSTEM
1. Video Level Adjustment (MB-85 BOARD)
<Purpose>
This adjustment is made to satisfy the NTSC standard, and if not
adjusted correctly, the brightness will be too large or small.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
LINE OUT (VIDEO) connector
(75
Ω
terminated)
Instrument
Oscilloscope
Adjusting element
RV401
Specification
1.0 ± Vp-p
Adjusting method:
1) In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
2) Adjust the RV401 to attain 1.0 ± Vp-p.
Fig. 8-1
2. S-terminal Output Check (MB-85 BOARD)
<Purpose>
Check S-terminal video output. If it is incorrect, pictures will not
be displayed correctly in spite of connection to the TV with a S-
terminal cable.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
S VIDEO OUT (S-Y) connector
(75
Ω
terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.05 Vp-p
Checking method:
1) In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
2) Confirm that the S-Y level is 1.0 ± 0.05 Vp-p.
Fig. 8-2
1.0
±
Vp-p
+0.04
–0.02
1.0
±
0.05 Vp-p
700
±
50 mVp-p
700
±
50 mVp-p
+0.04
–0.02
+0.04
–0.02
Summary of Contents for DVPC-X850D
Page 13: ...1 1 DVP CX850D SECTION 1 GENERAL This section is extracted from instruction manual ...
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Page 32: ...1 20E ...
Page 38: ...DVP CX850D 3 1 OVERALL BLOCK DIAGRAM SECTION 3 BLOCK DIAGRAMS 3 1 3 2 AC IN ...
Page 43: ...DVP CX850D 3 6 AUDIO BLOCK DIAGRAM 1 3 11 3 12 ...
Page 44: ...DVP CX850D 3 7 AUDIO BLOCK DIAGRAM 2 3 13 3 14 ...
Page 45: ...DVP CX850D 3 8 INTERFACE CONTROL BLOCK DIAGRAM 3 15 3 16 4 MHz 3 9 Vp p ...
Page 46: ...DVP CX850D 3 9 POWER BLOCK DIAGRAM 3 17 3 18E ...
Page 48: ...DVP CX850D 4 1 FRAME SCHEMATIC DIAGRAM 4 3 4 4 FRAME SCHEMATIC DIAGRAM M ...
Page 49: ...DVP CX850D 4 5 4 6 FRAME SCHEMATIC DIAGRAM CN202 CN201 CN101 CN203 AC IN 120V 60Hz ...